One thing that makes this argument harder to make is that groups like NARAL seem to be very antagonistic to groups that advocate for people to make the choice for life.  That has been my perspective at least.

The fact that abortions have gone down under policies that actually improve the economic well-being of the middle and lower class (read, Democratic Economic Policies), is one reason I don't  feel I am betraying my faith by supporting the occasional pro-choice candidate (though I am delighted that my new Democratic Senator is pro-life).

I make no bones about it: I want to see abortion gone; I think it is abhorrent, and I think it is murder.  But I know that simply making it illegal will not do that at all.  To effectively reduce them, one has to change the culture first, and right now, our culture has no respect for the responsibility and the blessing that parenthood brings.  

And I believe Democratic policies that work to care for children, mothers, and families, will go much farther than the posturing of the 'religious' right.